Patents
Sitemap › F16 - Engineering elements or units; General measures for producing and maintaining effective functioning of machines or installations; Thermal insulation in general › F16K - Valves; Taps; Cocks; Actuating-floats; Devices for venting or aerating › F16K 15 - Check valves
Patents for F16K 15 - Check valves (18,131)
11/2010
11/16/2010US7832422 Valve
11/11/2010WO2010129640A2 Safety relief fill valve assembly
11/11/2010WO2010129098A2 Compressor valve arrangement
11/11/2010US20100282340 Compliant check valve stop
11/11/2010CA2697089A1 Production tubing drain valve
11/10/2010EP2249069A1 Relief valve
11/10/2010EP2249068A2 Compliant check valve stop
11/10/2010EP2249036A1 Ring valve
11/10/2010CN201628032U One-way non-return pipe joint
11/10/2010CN201628030U Flange with one-way valve
11/10/2010CN201627991U Air tap valve body of inflatable object
11/10/2010CN201627990U High-pressure vertical type non-return valve with guide valve clack
11/10/2010CN201627989U Self-locking type high-voltage one-way valve
11/10/2010CN201627988U Valve core of one-way valve
11/10/2010CN201627987U Cutoff one-way valve
11/10/2010CN201627937U Check water nozzle
11/10/2010CN1890827B Fuel cell supply device having fuel compatible materials
11/10/2010CN101881351A Non-return device for flow regulation
11/10/2010CN101881346A Scavenging air valve used in shoe
11/10/2010CN101881225A Check valve for engine
11/10/2010CN101879846A Inner tyre with lack-pressure alarm and superpressure anti-explosion functions
11/10/2010CN101514758B Upswept slap door
11/10/2010CN101321978B Valve for an inflatable product
11/10/2010CN101018917B Back flow preventor
11/09/2010US7828014 Self-riveting flapper valves
11/09/2010CA2606540C Check valve, especially for medical use
11/04/2010WO2010127373A1 Pressure relief valve
11/04/2010WO2010124798A1 Check valve
11/04/2010WO2010124649A1 Regenerative utilization system of vibration kinetic energy of motor vehicle, shock-absorbing system and vehicle
11/04/2010US20100276623 Pressure control valve
11/04/2010US20100276015 Groundwater control system with automatic water flow regulator
11/04/2010US20100276014 Multiple preset indexing pressure relief valve
11/04/2010DE202010010366U1 Hydraulischer Endschalter Hydraulic limit switch
11/04/2010DE102005023327B4 Rückschlagventil mit Ventilhalter Check valve with valve holder
11/03/2010EP2245348A2 Check valve and piston pump having check valve
11/03/2010EP0961062B1 Piezoelectric valve
11/03/2010CN201621337U Automatically-closed one-way valve
11/03/2010CN201621336U Cushion swing check valve
11/03/2010CN201621335U Low-pressure hydraulic check valve
11/03/2010CN201617657U Exhaust valve
11/03/2010CN101876380A Low-resistance slow-closure type check valve
11/03/2010CN101581372B Double-loop pressure difference retaining valve
11/03/2010CN101413600B One-way constant flow check valve
11/02/2010CA2498361C Valves and methods for manufacturing the valves
11/02/2010CA2413392C Check valve having adjustable lift, packing assembly and retrofit kit for same
10/2010
10/28/2010WO2010123889A2 Flowline flapper valve
10/28/2010WO2010121741A1 Valve device, valve core, external functional device, treatment device as well as method
10/28/2010WO2010121286A1 Domestic water tap or faucet with floating buoyant ball valve and activation rod
10/28/2010US20100274229 Vacuum regulator valve
10/28/2010US20100269928 Valve cage for a pump
10/28/2010US20100269927 Automatic concentric crank-side compressor valve
10/28/2010US20100269920 Methods and apparatuses for complementary pneumatic devices and circuits
10/28/2010DE202010010180U1 Einstellbares Rückschlagventil Adjustable check valve
10/28/2010CA2764310A1 Flowline flapper valve
10/28/2010CA2759415A1 Domestic water tap or faucet
10/27/2010CN201615262U 组合式汽车内胎胎嘴及其专用套丝工具 Combined car tire inner tubes and special threading tools mouth
10/27/2010CN201615261U 具有led指示灯的收纳袋气阀 Pouch valve has led lights
10/27/2010CN201615260U 一种汽车轮胎气门 An automobile tire valve
10/27/2010CN201615259U 乳化液止回阀 Emulsion check
10/27/2010CN201615258U 一种旋启式止回阀 One kind of swing check valves
10/27/2010CN201615257U 一种圆筒形双板缓闭逆止门 One kind of cylindrical double-plate backstop slow closing doors
10/27/2010CN201615256U 密封自锁式止回阀 Self-locking valve seal
10/27/2010CN201615255U 空调器用单向阀 Air conditioner with a one-way valve
10/27/2010CN201615254U 新型止水芯轴构造 Construct a new sealing mandrel
10/27/2010CN101871539A Magnetic check valve
10/26/2010USRE41861 Decoupled check-relief valve
10/26/2010US7819132 Pressure regulator with ceramic valve element
10/26/2010US7819131 Springless compressor valve
10/22/2010CA2665362A1 Valve cage for a pump
10/21/2010US20100263757 Microfabricated Fluidic Circuit Elements and Applications
10/21/2010US20100263745 Drain plug
10/21/2010US20100263744 Flowline Flapper Valve
10/21/2010US20100263737 Monodirectional intake pressure stabilization structure of pneumatic tool
10/21/2010US20100263363 Hydraulic control device and pressure switch
10/21/2010DE202010010935U1 Rückflussverhinderer Backflow preventer
10/21/2010DE202010010502U1 Federelement Spring element
10/21/2010DE102010011824A1 Fliehkraftpendel Centrifugal pendulum
10/21/2010DE102009016398A1 Valve e.g. backflow preventer, has valve cage forming flow path at exterior of cage, fluid passing via flow path over exterior surface with opened valve, and valve body whose outer circular edge includes chamfer and/or rounding
10/20/2010CN201610964U 自闭合单向阀 Self-closing check valve
10/20/2010CN201610963U 一种陶瓷球锥面单向阀 A ceramic ball check valve cone
10/20/2010CN201610962U 具有旁路的缓闭旋启式止回阀 Slow closed with a bypass swing check valve
10/20/2010CN201610961U 变压式排油烟气防火止回阀 Swing check valve type exhaust fumes from gas fire
10/20/2010CN201610944U 升降式微阻缓闭止回阀 Micro Slow Close Check Valve Lift
10/20/2010CN201610052U 调压防爆胎气门嘴总成 Runflat regulator valve assembly
10/20/2010CN101865313A Petroleum gas steel bottle control valve
10/20/2010CN101865311A Gas variety selecting valve
10/20/2010CN101863203A Pressure adjustable valve for early warning and explosion proofing of tire pressure
10/19/2010US7815162 Valve arrangement
10/19/2010CA2565998C Full bore injection valve
10/19/2010CA2474328C Adjustable variable flow fertilizer valve
10/14/2010WO2010117124A1 Device for removing impurities such as rust, scales or the like in pipe
10/14/2010WO2010116360A1 A vacuum bed
10/14/2010WO2010115888A1 Mixing nozzle fitment and mixed liquid dispenser
10/14/2010US20100261193 Valve Structure for Consistent Valve Operation of a Miniaturized Fluid Delivery and Analysis System
10/14/2010US20100258214 Refueling valve for a fuel storage system and method therefor
10/14/2010US20100257836 Marine safety device attachment with automatic release capability
10/14/2010CA2757901A1 Mixing nozzle fitment and mixed liquid dispenser
10/13/2010EP2239379A1 Device for protection against pollution by backflow
10/13/2010EP2237895A1 Valve with actuator assist
10/13/2010EP1592363B1 Urinary flow control valve
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